Answer
$a=6.6$
Work Step by Step
Using the Pythagorean Theorem:
$a^2+b^2=c^2$
We are given $b=8.8, c=11$
Solving: $a^2+(8.8)^2=(11)^2$
$a^2=43.56$
$a=6.6$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - Chapter Review - Page 654: 12
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